osm-search/Nominatim
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Nominatim/website/search.php

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<?php
@define('CONST_ConnectionBucket_PageType', 'Search');
require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
require_once(CONST_BasePath.'/lib/log.php');
ini_set('memory_limit', '200M');
$oDB =& getDB();
// Display defaults
$fLat = CONST_Default_Lat;
$fLon = CONST_Default_Lon;
$iZoom = CONST_Default_Zoom;
$bBoundingBoxSearch = isset($_GET['bounded'])?(bool)$_GET['bounded']:false;
$sOutputFormat = 'html';
$aSearchResults = array();
$aExcludePlaceIDs = array();
$sCountryCodesSQL = false;
$sSuggestion = $sSuggestionURL = false;
$bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
$bReverseInPlan = false;
$iFinalLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
$iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
$iMaxRank = 20;
if ($iFinalLimit > 50) $iFinalLimit = 50;
$iLimit = $iFinalLimit + min($iFinalLimit, 10);
$iMinAddressRank = 0;
$iMaxAddressRank = 30;
$sAllowedTypesSQLList = false;
// Format for output
if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' || $_GET['format'] == 'jsonv2'))
{
$sOutputFormat = $_GET['format'];
}
// Show / use polygons
$bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
if ($sOutputFormat == 'html') {
$bAsText = $bShowPolygons;
$bShowPolygons = false;
$bAsGeoJSON = false;
$bAsKML = false;
$bAsSVG = false;
} else {
$bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
$bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
$bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
$bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
if ((($bShowPolygons?1:0)
+ ($bAsGeoJSON?1:0)
+ ($bAsKML?1:0)
+ ($bAsSVG?1:0)
+ ($bAsText?1:0)
) > CONST_PolygonOutput_MaximumTypes) {
if (CONST_PolygonOutput_MaximumTypes) {
userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
} else {
userError("Polygon output is disabled");
}
exit;
}
}
// Show address breakdown
$bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
// Preferred language
$aLangPrefOrder = getPreferredLanguages();
if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
$sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
{
foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
{
$iExcludedPlaceID = (int)$iExcludedPlaceID;
if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
}
}
// Only certain ranks of feature
if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
if (isset($_GET['featuretype']))
{
switch($_GET['featuretype'])
{
case 'country':
$iMinAddressRank = $iMaxAddressRank = 4;
break;
case 'state':
$iMinAddressRank = $iMaxAddressRank = 8;
break;
case 'city':
$iMinAddressRank = 14;
$iMaxAddressRank = 16;
break;
case 'settlement':
$iMinAddressRank = 8;
$iMaxAddressRank = 20;
break;
}
}
if (isset($_GET['countrycodes']))
{
$aCountryCodes = array();
foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
{
if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
{
$aCountryCodes[] = "'".strtolower($sCountryCode)."'";
}
}
$sCountryCodesSQL = join(',', $aCountryCodes);
}
// Search query
$sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
{
$sQuery = substr($_SERVER['PATH_INFO'], 1);
// reverse order of '/' separated string
$aPhrases = explode('/', $sQuery);
$aPhrases = array_reverse($aPhrases);
$sQuery = join(', ',$aPhrases);
}
function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
{
if (!isset($_GET[$sKey])) return false;
$sValue = trim($_GET[$sKey]);
if (!$sValue) return false;
$aStructuredQuery[$sKey] = $sValue;
if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
$iMinAddressRank = $iNewMinAddressRank;
$iMaxAddressRank = $iNewMaxAddressRank;
}
return true;
}
// Structured query?
$aStructuredOptions = array(
array('amenity', 26, 30),
array('street', 26, 30),
array('city', 14, 24),
array('county', 9, 13),
array('state', 8, 8),
array('country', 4, 4),
array('postalcode', 16, 25),
);
$aStructuredQuery = array();
$sAllowedTypesSQLList = '';
foreach($aStructuredOptions as $aStructuredOption)
{
loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
}
if (sizeof($aStructuredQuery) > 0) {
$sQuery = join(', ', $aStructuredQuery);
if ($iMaxAddressRank < 30)
{
$sAllowedTypesSQLList = '(\'place\',\'boundary\')';
}
}
if ($sQuery)
{
$hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
// Hack to make it handle "new york, ny" (and variants) correctly
$sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
if (isset($aLangPrefOrder['name:en']))
{
$sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
$sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
$sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
}
// If we have a view box create the SQL
// Small is the actual view box, Large is double (on each axis) that
$sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
{
$aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
$_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
}
if (isset($_GET['viewbox']) && $_GET['viewbox'])
{
$aCoOrdinates = explode(',',$_GET['viewbox']);
$sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
$fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
$fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
$aCoOrdinates[0] += $fHeight;
$aCoOrdinates[2] -= $fHeight;
$aCoOrdinates[1] += $fWidth;
$aCoOrdinates[3] -= $fWidth;
$sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
} else {
$bBoundingBoxSearch = false;
}
if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
{
$aPoints = explode(',',$_GET['route']);
if (sizeof($aPoints) % 2 != 0)
{
userError("Uneven number of points");
exit;
}
$sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
$fPrevCoord = false;
foreach($aPoints as $i => $fPoint)
{
if ($i%2)
{
if ($i != 1) $sViewboxCentreSQL .= ",";
$sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
}
else
{
$fPrevCoord = (float)$fPoint;
}
}
$sViewboxCentreSQL .= ")'::geometry,4326)";
$sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
$sViewboxSmallSQL = $oDB->getOne($sSQL);
if (PEAR::isError($sViewboxSmallSQL))
{
failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
}
$sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
$sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
$sViewboxLargeSQL = $oDB->getOne($sSQL);
if (PEAR::isError($sViewboxLargeSQL))
{
failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
}
$sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
$bBoundingBoxSearch = true;
}
// Do we have anything that looks like a lat/lon pair?
if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
{
$fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
$fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
{
$_GET['nearlat'] = $fQueryLat;
$_GET['nearlon'] = $fQueryLon;
$sQuery = trim(str_replace($aData[0], ' ', $sQuery));
}
}
elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
{
$fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
$fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
{
$_GET['nearlat'] = $fQueryLat;
$_GET['nearlon'] = $fQueryLon;
$sQuery = trim(str_replace($aData[0], ' ', $sQuery));
}
}
elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
{
$fQueryLat = $aData[2];
$fQueryLon = $aData[3];
if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
{
$_GET['nearlat'] = $fQueryLat;
$_GET['nearlon'] = $fQueryLon;
$sQuery = trim(str_replace($aData[0], ' ', $sQuery));
}
}
if ($sQuery || $aStructuredQuery)
{
// Start with a blank search
$aSearches = array(
array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(),
'aNameNonSearch'=>array(), 'aAddressNonSearch'=>array(),
'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
);
$sNearPointSQL = false;
if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
{
$sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".$_GET['nearlat']."),4326)";
$aSearches[0]['fLat'] = (float)$_GET['nearlat'];
$aSearches[0]['fLon'] = (float)$_GET['nearlon'];
$aSearches[0]['fRadius'] = 0.1;
}
$bSpecialTerms = false;
preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
$aSpecialTerms = array();
foreach($aSpecialTermsRaw as $aSpecialTerm)
{
$sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
$aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
}
preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
$aSpecialTerms = array();
if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
{
$aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
unset($aStructuredQuery['amenity']);
}
foreach($aSpecialTermsRaw as $aSpecialTerm)
{
$sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
$sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
$sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
$sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
if (CONST_Debug) var_Dump($sSQL);
$aSearchWords = $oDB->getAll($sSQL);
$aNewSearches = array();
foreach($aSearches as $aSearch)
{
foreach($aSearchWords as $aSearchTerm)
{
$aNewSearch = $aSearch;
if ($aSearchTerm['country_code'])
{
$aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
$aNewSearches[] = $aNewSearch;
$bSpecialTerms = true;
}
if ($aSearchTerm['class'])
{
$aNewSearch['sClass'] = $aSearchTerm['class'];
$aNewSearch['sType'] = $aSearchTerm['type'];
$aNewSearches[] = $aNewSearch;
$bSpecialTerms = true;
}
}
}
$aSearches = $aNewSearches;
}
// Split query into phrases
// Commas are used to reduce the search space by indicating where phrases split
if (sizeof($aStructuredQuery) > 0)
{
$aPhrases = $aStructuredQuery;
$bStructuredPhrases = true;
}
else
{
$aPhrases = explode(',',$sQuery);
$bStructuredPhrases = false;
}
// Convert each phrase to standard form
// Create a list of standard words
// Get all 'sets' of words
// Generate a complete list of all
$aTokens = array();
foreach($aPhrases as $iPhrase => $sPhrase)
{
$aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
if (PEAR::isError($aPhrase))
{
userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
if (CONST_Debug) var_dump($aPhrase);
exit;
}
if (trim($aPhrase['string']))
{
$aPhrases[$iPhrase] = $aPhrase;
$aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
$aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words']);
$aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
}
else
{
unset($aPhrases[$iPhrase]);
}
}
// reindex phrases - we make assumptions later on
$aPhraseTypes = array_keys($aPhrases);
$aPhrases = array_values($aPhrases);
if (sizeof($aTokens))
{
// Check which tokens we have, get the ID numbers
$sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator, search_name_count';
$sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
// $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
// $sSQL .= ' group by word_token, word, class, type, location, country_code';
if (CONST_Debug) var_Dump($sSQL);
$aValidTokens = array();
if (sizeof($aTokens))
$aDatabaseWords = $oDB->getAll($sSQL);
else
$aDatabaseWords = array();
if (PEAR::IsError($aDatabaseWords))
{
failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
}
$aPossibleMainWordIDs = array();
$aWordFrequencyScores = array();
foreach($aDatabaseWords as $aToken)
{
// Very special case - require 2 letter country param to match the country code found
if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country'])
&& strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
{
continue;
}
if (isset($aValidTokens[$aToken['word_token']]))
{
$aValidTokens[$aToken['word_token']][] = $aToken;
}
else
{
$aValidTokens[$aToken['word_token']] = array($aToken);
}
if ($aToken['word_token'][0]==' ' && !$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
$aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
}
if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
$aSuggestion = array();
$bSuggestion = false;
if (CONST_Suggestions_Enabled)
{
foreach($aPhrases as $iPhrase => $aPhrase)
{
if (!isset($aValidTokens[' '.$aPhrase['wordsets'][0][0]]))
{
$sQuotedPhrase = getDBQuoted(' '.$aPhrase['wordsets'][0][0]);
$aSuggestionWords = getWordSuggestions($oDB, $aPhrase['wordsets'][0][0]);
$aRow = $aSuggestionWords[0];
if ($aRow && $aRow['word'])
{
$aSuggestion[] = $aRow['word'];
$bSuggestion = true;
}
else
{
$aSuggestion[] = $aPhrase['string'];
}
}
else
{
$aSuggestion[] = $aPhrase['string'];
}
}
}
if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
// Try and calculate GB postcodes we might be missing
foreach($aTokens as $sToken)
{
// Source of gb postcodes is now definitive - always use
if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
{
if (substr($aData[1],-2,1) != ' ')
{
$aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
$aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
}
$aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
if ($aGBPostcodeLocation)
{
$aValidTokens[$sToken] = $aGBPostcodeLocation;
}
}
}
foreach($aTokens as $sToken)
{
// Unknown single word token with a number - assume it is a house number
if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
{
$aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
}
}
// Any words that have failed completely?
// TODO: suggestions
// Start the search process
$aResultPlaceIDs = array();
/*
Calculate all searches using aValidTokens i.e.
'Wodsworth Road, Sheffield' =>
Phrase Wordset
0 0 (wodsworth road)
0 1 (wodsworth)(road)
1 0 (sheffield)
Score how good the search is so they can be ordered
*/
foreach($aPhrases as $iPhrase => $sPhrase)
{
$aNewPhraseSearches = array();
if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
else $sPhraseType = '';
foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
{
$aWordsetSearches = $aSearches;
// Add all words from this wordset
foreach($aWordset as $iToken => $sToken)
{
//echo "<br><b>$sToken</b>";
$aNewWordsetSearches = array();
foreach($aWordsetSearches as $aCurrentSearch)
{
//echo "<i>";
//var_dump($aCurrentSearch);
//echo "</i>";
// If the token is valid
if (isset($aValidTokens[' '.$sToken]))
{
foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
{
$aSearch = $aCurrentSearch;
$aSearch['iSearchRank']++;
if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')
{
if ($aSearch['sCountryCode'] === false)
{
$aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
// Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
// If reverse order is enabled, it may appear at the beginning as well.
if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) &&
(!$bReverseInPlan || $iToken > 0 || $iPhrase > 0))
{
$aSearch['iSearchRank'] += 5;
}
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
}
}
elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
{
if ($aSearch['fLat'] === '')
{
$aSearch['fLat'] = $aSearchTerm['lat'];
$aSearch['fLon'] = $aSearchTerm['lon'];
$aSearch['fRadius'] = $aSearchTerm['radius'];
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
}
}
elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
{
if ($aSearch['sHouseNumber'] === '')
{
$aSearch['sHouseNumber'] = $sToken;
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
/*
// Fall back to not searching for this item (better than nothing)
$aSearch = $aCurrentSearch;
$aSearch['iSearchRank'] += 1;
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
*/
}
}
elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
{
if ($aSearch['sClass'] === '')
{
$aSearch['sOperator'] = $aSearchTerm['operator'];
$aSearch['sClass'] = $aSearchTerm['class'];
$aSearch['sType'] = $aSearchTerm['type'];
if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
else $aSearch['sOperator'] = 'near'; // near = in for the moment
// Do we have a shortcut id?
if ($aSearch['sOperator'] == 'name')
{
$sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
if ($iAmenityID = $oDB->getOne($sSQL))
{
$aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
$aSearch['aName'][$iAmenityID] = $iAmenityID;
$aSearch['sClass'] = '';
$aSearch['sType'] = '';
}
}
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
}
}
elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
{
if (sizeof($aSearch['aName']))
{
if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
{
$aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
}
else
{
$aSearch['iSearchRank'] += 1000; // skip;
}
}
else
{
$aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
// $aSearch['iNamePhrase'] = $iPhrase;
}
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
}
}
}
if (isset($aValidTokens[$sToken]))
{
// Allow searching for a word - but at extra cost
foreach($aValidTokens[$sToken] as $aSearchTerm)
{
if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
{
if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
{
$aSearch = $aCurrentSearch;
$aSearch['iSearchRank'] += 1;
if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
$aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
else
$aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
}
if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
{
$aSearch = $aCurrentSearch;
$aSearch['iSearchRank'] += 2;
if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
$aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
else
$aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
$aSearch['iNamePhrase'] = $iPhrase;
if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
}
}
}
}
else
{
// Allow skipping a word - but at EXTREAM cost
//$aSearch = $aCurrentSearch;
//$aSearch['iSearchRank']+=100;
//$aNewWordsetSearches[] = $aSearch;
}
}
// Sort and cut
usort($aNewWordsetSearches, 'bySearchRank');
$aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
}
// var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
$aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
usort($aNewPhraseSearches, 'bySearchRank');
$aSearchHash = array();
foreach($aNewPhraseSearches as $iSearch => $aSearch)
{
$sHash = serialize($aSearch);
if (isset($aSearchHash[$sHash]))
{
unset($aNewPhraseSearches[$iSearch]);
}
else
{
$aSearchHash[$sHash] = 1;
}
}
$aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
}
// Re-group the searches by their score, junk anything over 20 as just not worth trying
$aGroupedSearches = array();
foreach($aNewPhraseSearches as $aSearch)
{
if ($aSearch['iSearchRank'] < $iMaxRank)
{
if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
$aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
}
}
ksort($aGroupedSearches);
$iSearchCount = 0;
$aSearches = array();
foreach($aGroupedSearches as $iScore => $aNewSearches)
{
$iSearchCount += sizeof($aNewSearches);
$aSearches = array_merge($aSearches, $aNewSearches);
if ($iSearchCount > 50) break;
}
// if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
}
}
else
{
// Re-group the searches by their score, junk anything over 20 as just not worth trying
$aGroupedSearches = array();
foreach($aSearches as $aSearch)
{
if ($aSearch['iSearchRank'] < $iMaxRank)
{
if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
$aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
}
}
ksort($aGroupedSearches);
}
if (CONST_Debug) var_Dump($aGroupedSearches);
if ($bReverseInPlan)
{
$aCopyGroupedSearches = $aGroupedSearches;
foreach($aCopyGroupedSearches as $iGroup => $aSearches)
{
foreach($aSearches as $iSearch => $aSearch)
{
if (sizeof($aSearch['aAddress']))
{
$iReverseItem = array_pop($aSearch['aAddress']);
if (isset($aPossibleMainWordIDs[$iReverseItem]))
{
$aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
$aSearch['aName'] = array($iReverseItem);
$aGroupedSearches[$iGroup][] = $aSearch;
}
// $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
// $aGroupedSearches[$iGroup][] = $aReverseSearch;
}
}
}
}
if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
{
$aCopyGroupedSearches = $aGroupedSearches;
foreach($aCopyGroupedSearches as $iGroup => $aSearches)
{
foreach($aSearches as $iSearch => $aSearch)
{
$aReductionsList = array($aSearch['aAddress']);
$iSearchRank = $aSearch['iSearchRank'];
while(sizeof($aReductionsList) > 0)
{
$iSearchRank += 5;
if ($iSearchRank > iMaxRank) break 3;
$aNewReductionsList = array();
foreach($aReductionsList as $aReductionsWordList)
{
for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
{
$aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
$aReverseSearch = $aSearch;
$aSearch['aAddress'] = $aReductionsWordListResult;
$aSearch['iSearchRank'] = $iSearchRank;
$aGroupedSearches[$iSearchRank][] = $aReverseSearch;
if (sizeof($aReductionsWordListResult) > 0)
{
$aNewReductionsList[] = $aReductionsWordListResult;
}
}
}
$aReductionsList = $aNewReductionsList;
}
}
}
ksort($aGroupedSearches);
}
// Filter out duplicate searches
$aSearchHash = array();
foreach($aGroupedSearches as $iGroup => $aSearches)
{
foreach($aSearches as $iSearch => $aSearch)
{
$sHash = serialize($aSearch);
if (isset($aSearchHash[$sHash]))
{
unset($aGroupedSearches[$iGroup][$iSearch]);
if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
}
else
{
$aSearchHash[$sHash] = 1;
}
}
}
if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
$iGroupLoop = 0;
$iQueryLoop = 0;
foreach($aGroupedSearches as $iGroupedRank => $aSearches)
{
$iGroupLoop++;
foreach($aSearches as $aSearch)
{
$iQueryLoop++;
if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
// Must have a location term
if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
{
if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
{
if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
{
$sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
$sSQL .= " order by st_area(geometry) desc limit 1";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
}
}
else
{
if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
if (!$aSearch['sClass']) continue;
$sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
if ($oDB->getOne($sSQL))
{
$sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
$sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
if (sizeof($aExcludePlaceIDs))
{
$sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
}
if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
$sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
// If excluded place IDs are given, it is fair to assume that
// there have been results in the small box, so no further
// expansion in that case.
if (!sizeof($aPlaceIDs) && !sizeof($aExcludePlaceIDs))
{
$sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
$sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
$sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
}
}
else
{
$sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
$sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
$sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
}
}
}
else
{
$aPlaceIDs = array();
// First we need a position, either aName or fLat or both
$aTerms = array();
$aOrder = array();
// TODO: filter out the pointless search terms (2 letter name tokens and less)
// they might be right - but they are just too darned expensive to run
if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress'])
{
// For infrequent name terms disable index usage for address
if (CONST_Search_NameOnlySearchFrequencyThreshold &&
sizeof($aSearch['aName']) == 1 &&
$aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
{
$aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddress'],",")."]";
}
else
{
$aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
}
}
if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
if ($aSearch['fLon'] && $aSearch['fLat'])
{
$aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
$aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
}
if (sizeof($aExcludePlaceIDs))
{
$aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
}
if ($sCountryCodesSQL)
{
$aTerms[] = "country_code in ($sCountryCodesSQL)";
}
if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
$sImportanceSQL = 'case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end';
if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
$aOrder[] = "$sImportanceSQL DESC";
if (sizeof($aTerms))
{
$sSQL = "select place_id";
$sSQL .= " from search_name";
$sSQL .= " where ".join(' and ',$aTerms);
$sSQL .= " order by ".join(', ',$aOrder);
if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
$sSQL .= " limit 50";
elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
$sSQL .= " limit 1";
else
$sSQL .= " limit ".$iLimit;
if (CONST_Debug) { var_dump($sSQL); }
$aViewBoxPlaceIDs = $oDB->getAll($sSQL);
if (PEAR::IsError($aViewBoxPlaceIDs))
{
failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
}
//var_dump($aViewBoxPlaceIDs);
// Did we have an viewbox matches?
$aPlaceIDs = array();
$bViewBoxMatch = false;
foreach($aViewBoxPlaceIDs as $aViewBoxRow)
{
// if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
// if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
// if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
// else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
$aPlaceIDs[] = $aViewBoxRow['place_id'];
}
}
//var_Dump($aPlaceIDs);
//exit;
if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
{
$aRoadPlaceIDs = $aPlaceIDs;
$sPlaceIDs = join(',',$aPlaceIDs);
// Now they are indexed look for a house attached to a street we found
$sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
$sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
if (sizeof($aExcludePlaceIDs))
{
$sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
}
$sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
// If not try the aux fallback table
if (!sizeof($aPlaceIDs))
{
$sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
if (sizeof($aExcludePlaceIDs))
{
$sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
}
// $sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
}
if (!sizeof($aPlaceIDs))
{
$sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
if (sizeof($aExcludePlaceIDs))
{
$sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
}
// $sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
}
// Fallback to the road
if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
{
$aPlaceIDs = $aRoadPlaceIDs;
}
}
if ($aSearch['sClass'] && sizeof($aPlaceIDs))
{
$sPlaceIDs = join(',',$aPlaceIDs);
$aClassPlaceIDs = array();
if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
{
// If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
$sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
$sSQL .= " and linked_place_id is null";
if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
$sSQL .= " order by rank_search asc limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aClassPlaceIDs = $oDB->getCol($sSQL);
}
if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
{
$sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
$bCacheTable = $oDB->getOne($sSQL);
$sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
if (CONST_Debug) var_dump($sSQL);
$iMaxRank = ((int)$oDB->getOne($sSQL));
// For state / country level searches the normal radius search doesn't work very well
$sPlaceGeom = false;
if ($iMaxRank < 9 && $bCacheTable)
{
// Try and get a polygon to search in instead
$sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
if (CONST_Debug) var_dump($sSQL);
$sPlaceGeom = $oDB->getOne($sSQL);
}
if ($sPlaceGeom)
{
$sPlaceIDs = false;
}
else
{
$iMaxRank += 5;
$sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
if (CONST_Debug) var_dump($sSQL);
$aPlaceIDs = $oDB->getCol($sSQL);
$sPlaceIDs = join(',',$aPlaceIDs);
}
if ($sPlaceIDs || $sPlaceGeom)
{
$fRange = 0.01;
if ($bCacheTable)
{
// More efficient - can make the range bigger
$fRange = 0.05;
$sOrderBySQL = '';
if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
$sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
if ($sPlaceIDs)
{
$sSQL .= ",placex as f where ";
$sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
}
if ($sPlaceGeom)
{
$sSQL .= " where ";
$sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
}
if (sizeof($aExcludePlaceIDs))
{
$sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
}
if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
if ($iOffset) $sSQL .= " offset $iOffset";
$sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
}
else
{
if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
$sOrderBySQL = '';
if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
$sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
$sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";
$sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
if (sizeof($aExcludePlaceIDs))
{
$sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
}
if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";
if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
if ($iOffset) $sSQL .= " offset $iOffset";
$sSQL .= " limit $iLimit";
if (CONST_Debug) var_dump($sSQL);
$aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
}
}
}
$aPlaceIDs = $aClassPlaceIDs;
}
}
if (PEAR::IsError($aPlaceIDs))
{
failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
}
if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }
foreach($aPlaceIDs as $iPlaceID)
{
$aResultPlaceIDs[$iPlaceID] = $iPlaceID;
}
if ($iQueryLoop > 20) break;
}
//exit;
if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
if ($iGroupLoop > 4) break;
if ($iQueryLoop > 30) break;
}
// Did we find anything?
if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
{
//var_Dump($aResultPlaceIDs);exit;
// Get the details for display (is this a redundant extra step?)
$sPlaceIDs = join(',',$aResultPlaceIDs);
$sOrderSQL = 'CASE ';
foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
{
$sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
}
$sOrderSQL .= ' ELSE 10000000 END';
$sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
$sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
// $sSQL .= $sOrderSQL." as porder, ";
$sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance ";
$sSQL .= "from placex where place_id in ($sPlaceIDs) ";
$sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
if ($sAllowedTypesSQLList) $sSQL .= "and placex.class in $sAllowedTypesSQLList ";
$sSQL .= "and linked_place_id is null ";
$sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
if (!$bDeDupe) $sSQL .= ",place_id";
$sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
$sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
$sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
$sSQL .= " union ";
$sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "null as placename,";
$sSQL .= "null as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
// $sSQL .= $sOrderSQL." as porder, ";
$sSQL .= "-0.15 as importance ";
$sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
$sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
$sSQL .= "group by place_id";
if (!$bDeDupe) $sSQL .= ",place_id";
$sSQL .= " union ";
$sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "null as placename,";
$sSQL .= "null as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
// $sSQL .= $sOrderSQL." as porder, ";
$sSQL .= "-0.10 as importance ";
$sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
$sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
$sSQL .= "group by place_id";
if (!$bDeDupe) $sSQL .= ",place_id";
$sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
$sSQL .= "order by importance desc";
// $sSQL .= "order by rank_search,rank_address,porder asc";
if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
$aSearchResults = $oDB->getAll($sSQL);
//var_dump($sSQL,$aSearchResults);exit;
if (PEAR::IsError($aSearchResults))
{
failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
}
}
} // end if ($sQuery)
else
{
if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
{
$iPlaceID = geocodeReverse($_GET['nearlat'], $_GET['nearlon']);
$aResultPlaceIDs = array($iPlaceID);
// TODO: this needs refactoring!
// Get the details for display (is this a redundant extra step?)
$sPlaceIDs = join(',',$aResultPlaceIDs);
$sOrderSQL = 'CASE ';
foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
{
$sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
}
$sOrderSQL .= ' ELSE 10000000 END';
$sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
$sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
// $sSQL .= $sOrderSQL." as porder, ";
$sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance ";
$sSQL .= "from placex where place_id in ($sPlaceIDs) ";
$sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
$sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
if (!$bDeDupe) $sSQL .= ",place_id";
$sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
$sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
$sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
$sSQL .= " union ";
$sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "null as placename,";
$sSQL .= "null as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
// $sSQL .= $sOrderSQL." as porder, ";
$sSQL .= "-0.15 as importance ";
$sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
$sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
$sSQL .= "group by place_id";
if (!$bDeDupe) $sSQL .= ",place_id";
$sSQL .= " union ";
$sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "null as placename,";
$sSQL .= "null as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
// $sSQL .= $sOrderSQL." as porder, ";
$sSQL .= "-0.10 as importance ";
$sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
$sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
$sSQL .= "group by place_id";
if (!$bDeDupe) $sSQL .= ",place_id";
$sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
$sSQL .= "order by importance desc";
// $sSQL .= "order by rank_search,rank_address,porder asc";
if (CONST_Debug) { echo "<hr>", var_dump($sSQL); }
$aSearchResults = $oDB->getAll($sSQL);
//var_dump($sSQL,$aSearchResults);exit;
if (PEAR::IsError($aSearchResults))
{
failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
}
}
}
}
$sSearchResult = '';
if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
{
$sSearchResult = 'No Results Found';
}
//var_Dump($aSearchResults);
//exit;
$aClassType = getClassTypesWithImportance();
$aRecheckWords = preg_split('/\b/',$sQuery);
foreach($aRecheckWords as $i => $sWord)
{
if (!$sWord) unset($aRecheckWords[$i]);
}
foreach($aSearchResults as $iResNum => $aResult)
{
if (CONST_Search_AreaPolygons)
{
// Get the bounding box and outline polygon
$sSQL = "select place_id,numfeatures,area,outline,";
$sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
$sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
$sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
$sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
$sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
$sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
$sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
if ($bAsText || $bShowPolygons) $sSQL .= ",ST_AsText(geometry) as astext";
$sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
$aPointPolygon = $oDB->getRow($sSQL);
if (PEAR::IsError($aPointPolygon))
{
failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
}
if ($aPointPolygon['place_id'])
{
if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
$aResult['lat'] = $aPointPolygon['centrelat'];
$aResult['lon'] = $aPointPolygon['centrelon'];
}
if ($bShowPolygons)
{
// Translate geometary string to point array
if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
{
preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
}
elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
{
preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
}
elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
{
$fRadius = 0.01;
$iSteps = ($fRadius * 40000)^2;
$fStepSize = (2*pi())/$iSteps;
$aPolyPoints = array();
for($f = 0; $f < 2*pi(); $f += $fStepSize)
{
$aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
}
$aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
$aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
$aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
$aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
}
}
// Output data suitable for display (points and a bounding box)
if ($bShowPolygons && isset($aPolyPoints))
{
$aResult['aPolyPoints'] = array();
foreach($aPolyPoints as $aPoint)
{
$aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
}
}
$aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
}
}
if (!isset($aResult['aBoundingBox']))
{
// Default
$fDiameter = 0.0001;
if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
&& $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
{
$fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
}
elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
&& $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
{
$fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
}
$fRadius = $fDiameter / 2;
$iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
$fStepSize = (2*pi())/$iSteps;
$aPolyPoints = array();
for($f = 0; $f < 2*pi(); $f += $fStepSize)
{
$aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
}
$aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
$aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
$aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
$aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
// Output data suitable for display (points and a bounding box)
if ($bShowPolygons)
{
$aResult['aPolyPoints'] = array();
foreach($aPolyPoints as $aPoint)
{
$aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
}
}
$aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
}
// Is there an icon set for this type of result?
if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
&& $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
{
$aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
}
if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
&& $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
{
$aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
}
if ($bShowAddressDetails)
{
$aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
//var_dump($aResult['address']);
//exit;
}
// Adjust importance for the number of exact string matches in the result
$aResult['importance'] = max(0.001,$aResult['importance']);
$iCountWords = 0;
$sAddress = $aResult['langaddress'];
foreach($aRecheckWords as $i => $sWord)
{
if (stripos($sAddress, $sWord)!==false) $iCountWords++;
}
$aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
//if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
/*
if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
&& $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
{
$aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
}
elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
&& $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
{
$aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
}
else
{
$aResult['importance'] = 1000000000000000;
}
*/
$aResult['name'] = $aResult['langaddress'];
$aResult['foundorder'] = $iResNum;
$aSearchResults[$iResNum] = $aResult;
}
uasort($aSearchResults, 'byImportance');
$aOSMIDDone = array();
$aClassTypeNameDone = array();
$aToFilter = $aSearchResults;
$aSearchResults = array();
$bFirst = true;
foreach($aToFilter as $iResNum => $aResult)
{
if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
$aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
if ($bFirst)
{
$fLat = $aResult['lat'];
$fLon = $aResult['lon'];
if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
$bFirst = false;
}
if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
&& !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']])))
{
$aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
$aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']] = true;
$aSearchResults[] = $aResult;
}
// Absolute limit on number of results
if (sizeof($aSearchResults) >= $iFinalLimit) break;
}
$sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");
if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
{
$sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
}
if ($sQuery)
{
logEnd($oDB, $hLog, sizeof($aToFilter));
}
$sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
if ($bShowPolygons) $sMoreURL .= '&polygon=1';
if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
if ($sSuggestion)
{
$sSuggestionURL = $sMoreURL.'&q='.urlencode($sSuggestion);
}
$sMoreURL .= '&q='.urlencode($sQuery);
if (CONST_Debug) exit;
include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');
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